Version 4
SHEET 1 2232 836
WIRE -1216 -448 -1472 -448
WIRE -816 -448 -1136 -448
WIRE -352 -448 -816 -448
WIRE -816 -368 -816 -448
WIRE -352 -368 -352 -448
WIRE -816 -240 -816 -288
WIRE -816 -240 -944 -240
WIRE -688 -240 -816 -240
WIRE -352 -240 -352 -288
WIRE -352 -240 -480 -240
WIRE -224 -240 -352 -240
WIRE -944 -192 -944 -240
WIRE -816 -192 -816 -240
WIRE -480 -192 -480 -240
WIRE -352 -192 -352 -240
WIRE -688 -96 -688 -240
WIRE -224 -96 -224 -240
WIRE -944 -48 -944 -112
WIRE -912 -48 -944 -48
WIRE -816 -48 -816 -112
WIRE -816 -48 -832 -48
WIRE -752 -48 -816 -48
WIRE -480 -48 -480 -112
WIRE -448 -48 -480 -48
WIRE -352 -48 -352 -112
WIRE -352 -48 -368 -48
WIRE -288 -48 -352 -48
WIRE -1472 -32 -1472 -448
WIRE -816 0 -816 -48
WIRE -352 0 -352 -48
WIRE -944 48 -944 -48
WIRE -880 48 -944 48
WIRE -480 48 -480 -48
WIRE -416 48 -480 48
WIRE -816 128 -816 96
WIRE -688 128 -688 0
WIRE -688 128 -816 128
WIRE -352 128 -352 96
WIRE -224 128 -224 0
WIRE -224 128 -352 128
WIRE -944 160 -944 48
WIRE -688 160 -688 128
WIRE -480 160 -480 48
WIRE -224 160 -224 128
WIRE -944 288 -944 240
WIRE -816 288 -944 288
WIRE -688 288 -688 240
WIRE -688 288 -816 288
WIRE -480 288 -480 240
WIRE -352 288 -480 288
WIRE -224 288 -224 240
WIRE -224 288 -352 288
WIRE -352 400 -352 288
WIRE -816 416 -816 288
WIRE -1472 432 -1472 48
FLAG -1472 432 0
FLAG -816 416 0
FLAG -352 400 0
SYMBOL ind -368 -384 R0
SYMATTR InstName L2
SYMATTR Value 1.6H
SYMATTR SpiceLine Cpar=10p
SYMBOL voltage -1472 -48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V
SYMATTR Value 2.8V
SYMBOL npn -880 0 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn -752 -96 R0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res -960 -208 R0
SYMATTR InstName RD1
SYMATTR Value 80k
SYMBOL res -960 144 R0
SYMATTR InstName RD2
SYMATTR Value 18.6k
SYMBOL res -832 -208 R0
SYMATTR InstName RD3
SYMATTR Value 25k
SYMBOL res -816 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RD4
SYMATTR Value 3.9k
SYMBOL res -704 144 R0
SYMATTR InstName RD5
SYMATTR Value 52
SYMBOL ind -832 -384 R0
SYMATTR InstName L1
SYMATTR Value 1H
SYMATTR SpiceLine Cpar=10p
SYMBOL npn -416 0 R0
SYMATTR InstName Q1.
SYMATTR Value 2N3904
SYMBOL npn -288 -96 R0
SYMATTR InstName Q2.
SYMATTR Value 2N3904
SYMBOL res -496 -208 R0
SYMATTR InstName RD1.
SYMATTR Value 80k
SYMBOL res -496 144 R0
SYMATTR InstName RD2.
SYMATTR Value 18.6k
SYMBOL res -368 -208 R0
SYMATTR InstName RD3.
SYMATTR Value 25k
SYMBOL res -352 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RD4.
SYMATTR Value 3.9k
SYMBOL res -240 144 R0
SYMATTR InstName RD5.
SYMATTR Value 52
SYMBOL res -1120 -464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R
SYMATTR Value 1k
TEXT -1328 408 Left 2 !.tran 0 104m 100m 10u